revolutions

Noun

revolution (countable and uncountable, plural revolutions)

1. (countable) A political upheaval in a government or state characterized by great change.
   • The revolution had completely transformed the monarchy into a republic.
2. (countable) The popular removal and replacement of a government, especially by sudden violent action.
   • For a long time the dormouse and polecat had seemed to him overfeeble enemies for his restless valour, even as the granary floor seemed to afford too narrow a field. Every day he read the papers of the previous day in the servants' hall of the houses he visited, and it appeared to him that this war...1837, George Sand, translated by Stanley Young, Mauprat, Cassandra Editions, published 1977, →ISBN, page 237
3. Rotation: the turning of an object around an axis, one complete turn of an object during rotation.
   • The ratio between the speeds of revolution of wheel and disc is substantially equal to the reciprocal of the ratio between the diameter of the wheel and the diameter of the mean contact circle on the disc.1912, P. M. Heldt, The Gasoline Automobile: Its Design and Construction, Volume II: Transmission, Running Gear and Control, The Horseless Age Co., published 1913, page 147

   Synonyms:

   rev, wheel

4. In the case of celestial bodies, the traversal of one body along an orbit around another body.
   • It takes 365 days for the Earth to complete one revolution around the sun.
5. A sudden, vast change in a situation, a discipline, or the way of thinking and behaving.
   • the AI revolution

   Antonyms:

   evolution

6. A round of periodic changes, such as between the seasons of the year.

See all 8 meanings of revolution